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proving trigonometry question:-tan^2 A - tan^2 B =- tan^2 A - tan^2 B = sin^2 A -sin^2 B ..
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iamabhas
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60 |
27 Sep 2008 14:12:47 IST
sachinguptaiit
![[Latest Reply]](/templates/default/images/icon_latest_reply.gif)
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WHAT IS MEANT BY MIXED COUPLING ?- WHAT IS MEANT BY MIXED COUPLING ?
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m.karthikreddy
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27 Sep 2008 14:03:23 IST
m.karthikreddy
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If {cos(a-b)/cos(a+b)}+cos(c+d)/cos(c-d)=0, prove that tana tanb tanc=-1.- If {cos(a-b)/cos(a+b)}+cos(c+d)..
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blade
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47 |
27 Sep 2008 11:54:30 IST
blade
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COS^4x +COS^4y - sec^2x sec^y = 1 so find the value of x & y.- COS^4x +COS^4y - sec^2x sec^y = 1
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sgns
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48 |
26 Sep 2008 22:00:31 IST
sgns
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If a=13, b=14,c=15 PT R=65/8 and r=4,r1=1/2,r2=12,r3=14- PT is forprove that this question is from the cha..
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snaas.aditya
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68 |
26 Sep 2008 21:25:57 IST
nitin.d
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p(x) = (x-cos36)(x-cos84)(x-cos156) - p(x) = (x-cos36)(x-cos84)(x-cos156) the coeffcient of x2 is
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manavgarg
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59 |
26 Sep 2008 18:53:21 IST
pink_ele
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rapidshare- rapidshare
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withprasad
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57 |
25 Sep 2008 21:51:47 IST
rudra.panda
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Its a inverse trignometrycal question. Send the correct option.
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t.sudeep
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143 |
25 Sep 2008 21:32:12 IST
spideyunlimited
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please help me to proove trignometric identities - please help me to proove trignometric identities
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shubhamthakur
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61 |
25 Sep 2008 18:46:35 IST
rahul_rao
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Very hard question- find the value of x for which {sin(3x) + 4*sin(2x)*cos(3x)}^2 = 11 {cos(3x)}^2.&n..
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smartanand
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63 |
25 Sep 2008 18:42:32 IST
hsbhatt
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how shud i prepare 4 maths olmpiad . is there any particular book 4 that?- how shud i prepare 4 maths olmp..
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1 |
nighthood
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69 |
25 Sep 2008 12:33:06 IST
iitkgp_bipin
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can you tell me the value of sin97?- can you tell me the value of sin97?
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chi.chi
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59 |
24 Sep 2008 23:46:04 IST
iitkgp_bipin
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Parameter for validity of inverse trigonometry equation?- cos^-1 [1/2.x^2 + √(1- x^2).√(1..
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roonil
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50 |
24 Sep 2008 23:04:10 IST
roonil
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Match the following- For triangle ABC , a,b,c,r, R have their usual meanings ..
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amitp91
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174 |
23 Sep 2008 14:43:04 IST
kanikajoshi2
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Prove this: 2^sinx + 2^cosx > 2^(1-1/root2)- Prove this: 2^sinx + 2^cosx > 2^(1-1/root2)
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haxor3945
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177 |
23 Sep 2008 09:44:47 IST
edison
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Prove that :
[1 - cos A + cos B - cos(A+B) ] /[1+cosA - cosB -cos(A+B) ] =tanA/2cotA/2 - Prove that :[1 ..
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prakriti_0123
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101 |
22 Sep 2008 14:52:16 IST
prakriti_0123
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SIR I WANT LIST OF FORMULAS IN MATHS- SIR I WANT LIST OF FORMULAS IN MATHS
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m.karthikreddy
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105 |
22 Sep 2008 13:24:42 IST
saarika
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No.of solutions possible- 2^cosx = |sin x| within the interval (0,2pi)Ans : 2;How to sol..
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12 |
pradeepdin.11
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171 |
22 Sep 2008 11:00:37 IST
venkat_tatolu
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how 2 remember all da trigonometrical formulas pls help me guys......- how 2 remember all da trigonometric..
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thoma
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82 |
21 Sep 2008 21:36:56 IST
Dallu
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TRIGONOMETRY- sides of a triangle ABC are in A.P . if a<minimum{b,c} then cosA may be equal toA)4b-3c/2..
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amitp91
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66 |
21 Sep 2008 21:21:19 IST
pankaj7math
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